#include <hd_oled.h>
#include <pd_gpio.h>
#include <pd_i2c_hd.h>
#include <hd_oled_protocol_i2c.h>
#include <delay.h>
#include <hd_key.h>
#include <pd_iwdg.h>
#include <pd_spi_io.h>
#include <stddef.h>
#include <pd_spi_hd.h>
#include <hd_oled_protocol_spi.h>
#include <hd_flash.h>
#include "main.h"

#define OLED_PROTOCOL       2   // Select a protocol. SPI, 1; I2C, 2;
#define OLED_PROTOCOL_IMPL  2   // Select a implement. simulate, 1; hardware, 2;

static OLED *oled;

void oled_instance();

extern void SystemClock_Config(void);

int main(void) {

    SystemClock_Config();

    NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_2);

    oled_instance();

    GPIO *keyGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_0);
    Key *key = KeyBuilder.build(keyGPIO);
    key->init(key);

    oled->showString(oled, 0, 0, "IWDG TEST");
    oled->refresh(oled);

    IndepWDG *iwdg = IndepWDGBuilder.build(IWDG, LL_IWDG_PRESCALER_32, 3000);
    WDG *wdg = (WDG *) iwdg;

    // Reset signal from IWDG
    if (wdg->isReset(wdg)) {
        LL_RCC_ClearResetFlags();
        oled->showString(oled, 0, 16, "IWDG RST");
        oled->refresh(oled);
        delay_ms(500);
        oled->showString(oled, 0, 16, "        ");
        oled->refresh(oled);
        delay_ms(100);
    } else {
        // Reset signal from system
        oled->showString(oled, 0, 16, "RST");
        oled->refresh(oled);
        delay_ms(2000);
        oled->showString(oled, 0, 16, "   ");
        oled->refresh(oled);
        delay_ms(500);
    }

    // Init Watchdog
    wdg->init(wdg);

    while (1) {
        key->getKeyNum(key);    // delay feed dogs time

        wdg->feedDogs(wdg);     // feed dogs

        oled->showString(oled, 0, 48, "FEED IWDG");
        oled->refresh(oled);
        delay_ms(2500);
        oled->showString(oled, 0, 48, "         ");
        oled->refresh(oled);
        delay_ms(400);
    }

}

void oled_instance() {
#if OLED_PROTOCOL == 1
    GPIO *sckGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_5); // Clock, SPIx_SCK
    GPIO *sdaGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_7); // MOSI,  SPIx_MOSI
    GPIO *resGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_3); // Reset, General IO, the chip reset pin is better
    GPIO *dcGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_1);  // Data or Command, General IO
    GPIO *csGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_2);  // Chip Select(Slave Select), General IO
    SPIGPIO *spiGPIO = SPIGPIOBuilder.build(&csGPIO, 1, sckGPIO, sdaGPIO, NULL);

#if OLED_PROTOCOL_IMPL == 1
    SPISimulate *spiObj = SPISimulateBuilder.build(spiGPIO);
#elif OLED_PROTOCOL_IMPL == 2
    SPIHardware *spiObj = SPIHardwareBuilder.build(SPI1, spiGPIO);
#endif
    SPI *spi1 = (SPI *) spiObj;
    spi1->init(spi1);
    OLEDProtocolSPI *oledProtocolObj = OLEDProtocolSPIBuilder.build(spi1, resGPIO, dcGPIO, csGPIO);

#elif OLED_PROTOCOL == 2
    GPIO *sckGPIO = GPIOBuilder.build(GPIOB, LL_GPIO_PIN_10);  // I2Cx_SCL
    GPIO *sdaGPIO = GPIOBuilder.build(GPIOB, LL_GPIO_PIN_11);  // I2Cx_SDA
#if OLED_PROTOCOL_IMPL == 1
    I2CSimulate *i2CObj = I2CSimulateBuilder.build(sckGPIO, sdaGPIO);
#elif OLED_PROTOCOL_IMPL == 2
    I2CHardware *i2CObj = I2CHardwareBuilder.build(I2C2, sckGPIO, sdaGPIO);
#endif
    I2C *i2c = (I2C *) i2CObj;
    i2c->init(i2c);
    OLEDProtocolI2C *oledProtocolObj = OLEDProtocolI2CBuilder.build(i2c);
#endif

    StorageFlash *storageFlash = StorageFlashBuilder.build();
    OLEDFont *oledFont = OLEDFontBuilder.build((Storage *) storageFlash, ENCODING_UTF8);
    oled = OLEDBuilder.build((OLEDProtocol *) oledProtocolObj, oledFont);
    oled->init(oled);
}
